| Patents > Search Colections > MPEP > 2232.01 Determining if a Reexamination Was Filed for a Patent [R-5] - 2200 Citation of Prior Art and Ex Parte Reexamination of Patents |
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2232.01 Determining if a Reexamination Was Filed for a Patent [R-5] - 2200 Citation of Prior Art and Ex Parte Reexamination of Patents
2232.01 Determining if a Reexamination Was Filed for a Patent [R-5]
TO DETERMINE FROM PAIR OR PALM IF A REEXAMINATION REQUEST HAS BEEN FILED FOR A GIVEN PATENT NUMBER
Both the Internet and the USPTO Intranet can be accessed to determine if a reexamination request has been filed for a particular patent.
A. Using the Internet
- Log on to the Internet.
- Go to USPTO Website located at http://www.uspto.gov.
- Click on **>the "Site Index" link.
- Click on the letter "E" in the index.
- Click on the link to the Electronic Business Center.
- Click on the "? Status & View Documents" link.
- Under "Patent Application Information Retrieval" in the "Select Search Method" box, change the item to "Patent Number" and enter the patent number (e.g., 5806063 - no commas are to be inserted) in the "Enter Number" box.<
- Click on "Submit."
- Click the "Continuity Data" button.
- Scroll to "Child Continuity Data" where any related reexamination will be listed. Ex parte reexaminations are identified by the unique "90" series code, e.g., 90/005,727. Inter partes reexaminations are identified by the unique "95" series code, e.g., 95/000,001.
- Clicking on the underlined (hyperlinked) reexamination number will reveal the "Contents" for the reexamination file.
B. Using the USPTO Intranet
- From the USPTO Intranet site http://ptoweb/ptointranet/index.htm, Office personnel can click on "PALM" and then "General Information" which opens the PALM INTRANET General Information Display.
- From here, enter the patent number in the box labeled Patent #.
- Click on "Search" and when the "Patent Number Information" appears, click on "Continuity Data" to obtain the reexamination number.
Any reexamination for the patent number will be listed.
There will be about a ten (10) day lag between filing and data entry into the PALM database.
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